for  i in range(1,100):
    for j in range(1, i +1):
        print(f"{j}×{i}={i*j}", end="\t")
    print()

[print("".join(f"{j}*{i}={i * j}") for j in range(1,  i+1)) for i in range(1,10)]


def is_prime(n):
    if n <2:
        return False
    for i in range(2, int(n**0.5) + 1):
        if n % i ==0:
            return False
    return True

primes = [x for x in range(2,100) if is_prime(x)]
print("100以内的素数:",primes)